CA2155594C - Biodegradable foamed plastic materials - Google Patents

Biodegradable foamed plastic materials Download PDF

Info

Publication number
CA2155594C
CA2155594C CA002155594A CA2155594A CA2155594C CA 2155594 C CA2155594 C CA 2155594C CA 002155594 A CA002155594 A CA 002155594A CA 2155594 A CA2155594 A CA 2155594A CA 2155594 C CA2155594 C CA 2155594C
Authority
CA
Canada
Prior art keywords
starch
weight
foamed
material according
foamed material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA002155594A
Other languages
English (en)
French (fr)
Other versions
CA2155594A1 (en
Inventor
Catia Bastioli
Vittorio Bellotti
Gianfranco Del Tredici
Alessandro Montino
Roberto Ponti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novamont SpA
Original Assignee
Novamont SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11369465&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2155594(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Novamont SpA filed Critical Novamont SpA
Publication of CA2155594A1 publication Critical patent/CA2155594A1/en
Application granted granted Critical
Publication of CA2155594C publication Critical patent/CA2155594C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/22—After-treatment of expandable particles; Forming foamed products
    • C08J9/228—Forming foamed products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/125—Water, e.g. hydrated salts
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L101/00—Compositions of unspecified macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L3/00—Compositions of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08L3/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2303/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2303/02—Starch; Degradation products thereof, e.g. dextrin
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/06—Biodegradable

Landscapes

  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Biological Depolymerization Polymers (AREA)
  • Materials For Medical Uses (AREA)
CA002155594A 1994-08-08 1995-08-08 Biodegradable foamed plastic materials Expired - Lifetime CA2155594C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI94A001725 1994-08-08
ITMI941725A IT1274603B (it) 1994-08-08 1994-08-08 Materiali espansi plastici biodegradabili

Publications (2)

Publication Number Publication Date
CA2155594A1 CA2155594A1 (en) 1996-02-09
CA2155594C true CA2155594C (en) 2008-04-01

Family

ID=11369465

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002155594A Expired - Lifetime CA2155594C (en) 1994-08-08 1995-08-08 Biodegradable foamed plastic materials

Country Status (24)

Country Link
US (1) US5736586A (it)
EP (4) EP0696612B1 (it)
JP (1) JP3276541B2 (it)
KR (1) KR100364880B1 (it)
CN (1) CN1113078C (it)
AT (3) ATE251656T1 (it)
AU (1) AU699169B2 (it)
CA (1) CA2155594C (it)
CZ (1) CZ289255B6 (it)
DE (3) DE69531886T2 (it)
DK (2) DK0696612T3 (it)
ES (3) ES2206472T3 (it)
FI (1) FI114804B (it)
GR (1) GR3035718T3 (it)
HU (1) HU214678B (it)
IL (1) IL114851A (it)
IT (1) IT1274603B (it)
NO (1) NO310923B1 (it)
NZ (1) NZ272733A (it)
PL (2) PL183994B1 (it)
PT (2) PT696612E (it)
SK (1) SK282327B6 (it)
UA (1) UA43840C2 (it)
ZA (1) ZA956602B (it)

Families Citing this family (67)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08109278A (ja) * 1994-10-12 1996-04-30 Hideo Kakigi 発泡成形体、発泡成形体用原料、および発泡成形体の製造方法
IT1272871B (it) * 1995-01-10 1997-07-01 Novamont Spa Composizioni termoplastiche compredenti amido ed altre componenti di origine naturale
JPH11513304A (ja) * 1995-10-04 1999-11-16 モンサント・カンパニー 多孔質ポリマー製バイオサポートおよび水性廃物流の生処理におけるその使用
US6045700A (en) * 1996-07-29 2000-04-04 Solutia Inc. Retrievable organic carbon scavengers for cleaning of contaminated surface water sediments
GB2316080A (en) * 1996-08-05 1998-02-18 Polyval Plc Polyvinyl alcohol compositions
WO1998040434A1 (en) * 1997-03-14 1998-09-17 Board Of Regents Of University Of Nebraska Degradable composite polymer and method of making such composite polymer
KR20000068911A (ko) 1997-09-05 2000-11-25 야스이 쇼사꾸 셀룰로오스 아세테이트 생분해성 발포체 및 그의 제조 방법
US6054204A (en) * 1997-11-13 2000-04-25 Enpac (Environmental Packing, L.P.) Loosefill packing material
US6455083B1 (en) 1998-05-05 2002-09-24 Natural Polymer International Corporation Edible thermoplastic and nutritious pet chew
US5922379A (en) * 1998-05-05 1999-07-13 Natural Polymer International Corporation Biodegradable protein/starch-based thermoplastic composition
US6184261B1 (en) * 1998-05-07 2001-02-06 Board Of Regents Of University Of Nebraska Water-resistant degradable foam and method of making the same
JP2000000536A (ja) * 1998-06-12 2000-01-07 Agency Of Ind Science & Technol 生分解性洗管材料
US6107371A (en) * 1998-06-16 2000-08-22 National Starch And Chemical Investment Holding Corporation Biodegradable expanded starch products and the method of preparation
SE513847C2 (sv) 1998-06-17 2000-11-13 Sca Packaging Marketing Nv Förpackningsmaterial med hög tryckbarhet och återvinningsbarhet, samt förfarande för dess tillverkning
ITTO980524A1 (it) * 1998-06-17 1999-12-17 Novamont Spa Composizioni contenenti amido aventi elevata resistenza all'invecchiam ento.
EP1116748A4 (en) 1998-08-11 2001-12-19 Toshinobu Yoshihara COMPOSITION FOR SHAPING BIODEGRADABLE RESIN, BIODEGRADABLE RESIN THEREOF, METHOD FOR ITS SHAPING AND ITS USE
ES2243160T3 (es) * 1999-03-08 2005-12-01 THE PROCTER & GAMBLE COMPANY Estructura absorbente, flexible, que comprende fibras de almidon.
IT1308431B1 (it) * 1999-03-15 2001-12-17 Novamont Spa Elementi per imballaggio
US6943200B1 (en) * 1999-10-05 2005-09-13 Procter & Gamble Company Water unstable foam compositions
GB0001940D0 (en) * 2000-01-27 2000-03-22 Green Light Packaging Limited Biodegradable packaging material
IT1320163B1 (it) 2000-02-15 2003-11-18 Novamont Spa Foglia e prodotti formati a base di amido espanso.
CN1217980C (zh) * 2000-04-28 2005-09-07 三共阿格罗株式会社 有高吸油能力、生物降解性且可在水面上漂浮的泡沫体、其制造方法和含有该泡沫体的组合物
US6280514B1 (en) * 2000-06-23 2001-08-28 National Starch And Chemical Investment Holding Corporation Process for making a foamed polysaccharide aqueous-based adhesive
US6280515B1 (en) * 2000-06-23 2001-08-28 National Starch And Chemical Investment Holding Corporation Modified polysaccharides for aqueous foamable adhesives
US7029620B2 (en) 2000-11-27 2006-04-18 The Procter & Gamble Company Electro-spinning process for making starch filaments for flexible structure
US6811740B2 (en) 2000-11-27 2004-11-02 The Procter & Gamble Company Process for making non-thermoplastic starch fibers
US20030203196A1 (en) * 2000-11-27 2003-10-30 Trokhan Paul Dennis Flexible structure comprising starch filaments
KR20010100067A (ko) * 2001-08-30 2001-11-14 김권 전분이 결합된 생분해성 수지 조성물
US7276201B2 (en) * 2001-09-06 2007-10-02 The Procter & Gamble Company Process for making non-thermoplastic starch fibers
AU2002367394A1 (en) * 2001-12-28 2003-07-24 Genzyme Corporation Bioresorbable foam packing device and use thereof
US6723160B2 (en) 2002-02-01 2004-04-20 The Procter & Gamble Company Non-thermoplastic starch fibers and starch composition for making same
JP2010043289A (ja) * 2002-11-29 2010-02-25 Toray Ind Inc 樹脂組成物ならびにそれからなる成形品
US7947766B2 (en) 2003-06-06 2011-05-24 The Procter & Gamble Company Crosslinking systems for hydroxyl polymers
US6955850B1 (en) 2004-04-29 2005-10-18 The Procter & Gamble Company Polymeric structures and method for making same
US6977116B2 (en) * 2004-04-29 2005-12-20 The Procter & Gamble Company Polymeric structures and method for making same
WO2005113616A2 (en) * 2004-05-04 2005-12-01 Cornell Research Foundation, Inc. Starch polyester blend from reactive extrusion
US8309619B2 (en) * 2004-09-03 2012-11-13 Pactiv LLC Reduced-VOC and non-VOC blowing agents for making expanded and extruded thermoplastic foams
US7629405B2 (en) * 2004-11-19 2009-12-08 Board Of Trustees Of Michigan State University Starch-polyester biodegradable graft copolyers and a method of preparation thereof
CN100497458C (zh) 2005-02-06 2009-06-10 北京金宝帝生物环保科技有限公司 一种可生物降解的淀粉基高分子组合物、由其制得的薄膜，及其制备方法
BRPI0502338A2 (pt) * 2005-06-16 2014-11-25 Cbpak Tecnologia S A Produtos Eco Sustentaveis Formulação para produção de espumas de amido resistentes à água e a ciclos de resfriamento congelamento e descongelamento
CN1935881B (zh) * 2005-09-21 2012-05-09 李小鲁 水溶性可生物降解材料及其制备方法以及发泡类制品
US20070079945A1 (en) * 2005-10-11 2007-04-12 Isao Noda Water stable fibers and articles comprising starch, and methods of making the same
CA2634484A1 (en) * 2006-02-22 2007-09-07 Pactiv Corporation Expanded and extruded polyolefin foams made with methyl formate-based blowing agents
US7977397B2 (en) * 2006-12-14 2011-07-12 Pactiv Corporation Polymer blends of biodegradable or bio-based and synthetic polymers and foams thereof
US7846987B2 (en) * 2006-12-14 2010-12-07 Pactiv Corporation Expanded and extruded biodegradable and reduced emission foams made with methyl formate-based blowing agents
JP2008307688A (ja) * 2007-06-12 2008-12-25 Agri Future Joetsu Co Ltd プラスチック段ボール及びその処分システム
DE102007050770A1 (de) * 2007-10-22 2009-04-23 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Polymeres Material und Verfahren zu dessen Herstellung
JP4358895B1 (ja) * 2009-01-06 2009-11-04 昭和高分子株式会社 発泡性樹脂組成物及び発泡体
IT1400247B1 (it) * 2010-05-14 2013-05-24 Novamont Spa Granuli biodegradabili espandibili per irraggiamento
CN102382330A (zh) * 2010-08-26 2012-03-21 于瑞德 生物降解塑料及制备该生物降解塑料的方法
EP2556953A1 (de) 2011-08-11 2013-02-13 Basf Se Verfahren zur Herstellung eines Papier-Schaumstoffverbunds
US8875658B2 (en) 2011-11-30 2014-11-04 A.J. Boggs & Company Projectile pet food
JP5921971B2 (ja) * 2012-06-27 2016-05-24 フクビ化学工業株式会社 高機能発泡成形体の製造方法
KR20140016548A (ko) * 2012-07-30 2014-02-10 삼성정밀화학 주식회사 생분해성 수지를 포함한 발포용 수지 조성물 및 그것으로부터 제조된 발포체
US11285650B2 (en) 2013-03-14 2022-03-29 Joseph Wycech Pellet based tooling and process for biodegradable component
US20150217497A1 (en) * 2014-01-31 2015-08-06 Joseph Wycech Extrusion tooling and process for biodegradable component
CN107735406A (zh) 2015-04-09 2018-02-23 丝芭博株式会社 极性溶剂溶液及其制造方法
WO2016163336A1 (ja) 2015-04-09 2016-10-13 Ｓｐｉｂｅｒ株式会社 極性溶媒溶液及びその製造方法
CN105694322A (zh) * 2016-01-20 2016-06-22 广州立白企业集团有限公司 具有良好水溶解性能的水溶性薄膜及其制成的小袋
JP6688111B2 (ja) * 2016-03-09 2020-04-28 三井化学産資株式会社 鼠撃退ウレタンフォームおよびその製造方法
CN107698808A (zh) * 2016-08-09 2018-02-16 天津定创科技发展有限公司 淀粉发泡配方及其发泡方法
KR20190131568A (ko) * 2017-06-07 2019-11-26 에이치피 인디고 비.브이. 정전식 잉크
US10920043B2 (en) 2017-09-19 2021-02-16 NewStarch Solutions, LLC Sheets of starch based packing material, starch pellets for sheet extrusion and methods for forming the pellets and sheets
WO2020172722A1 (en) * 2019-02-28 2020-09-03 Plantic Technologies Limited Starch compositions
CN111073264B (zh) * 2019-12-28 2021-08-31 温岭东方红车料有限公司 一种自行车坐垫及其成型工艺
CN111571291B (zh) * 2020-05-21 2021-06-29 贵州永红航空机械有限责任公司 一种填充材料及填充方法
CN113072791A (zh) * 2021-04-01 2021-07-06 吴达华 一种以玉米淀粉为原料的可降解塑料及其制备方法

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5119868B2 (it) * 1972-04-07 1976-06-21
DE3206751C2 (de) 1982-02-25 1986-08-21 SÜDSTÄRKE GmbH, 8898 Schrobenhausen Verfahren zur Herstellung aufgeschäumter, gelatinierter Stärkeprodukte
CA1331671C (en) 1988-12-30 1994-08-23 Norman L. Lacourse Biodegradable shaped products and the method of preparation thereof
ZA905243B (en) * 1989-07-11 1991-06-26 Warner Lambert Co Polymer base blend compositions containing destructurized starch
IT1232894B (it) * 1989-08-03 1992-03-05 Butterfly Srl Articoli espansi di materiale plastico biodegradabile e procedimento per la loro preparazione
AU9080791A (en) * 1990-11-20 1992-06-11 E.I. Du Pont De Nemours And Company Expandable and expanded (foamed) solid products
IT1245408B (it) * 1991-02-20 1994-09-20 Butterfly Srl Composizioni polimeriche biodegradabili a base di amido e di polimero termoplastico
AU1871692A (en) 1991-04-12 1992-11-17 Enviropack, Inc. Biodegradable packaging material
AU1548692A (en) * 1991-04-19 1992-11-17 Kabushikigaisha Asahi Rubber composition decayable in soil and binding article using said composition for soil in flowerpot
US5185382A (en) * 1992-01-21 1993-02-09 Kansas State University Research Foundation Starch-based, biodegradable packing filler and method of preparing same
US5208267A (en) * 1992-01-21 1993-05-04 Univ Kansas State Starch-based, biodegradable packing filler and method of preparing same
JP3165244B2 (ja) * 1992-07-03 2001-05-14 日本合成化学工業株式会社 生分解性樹脂発泡体の製造方法
US5308879A (en) * 1992-09-07 1994-05-03 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Process for preparing biodegradable resin foam
DE4236717C1 (de) * 1992-10-30 1994-01-27 Reichenecker Hans Storopack Formkörper aus Granulatperlen
IL104441A (en) * 1993-01-19 2001-01-28 Yossi Res Dev Company Of The H Sponges from hydrocolloids and method for their production
US5352709A (en) * 1993-01-29 1994-10-04 International Technology Management Associates, Ltd. Algal plastics
JP2711974B2 (ja) * 1993-02-03 1998-02-10 日水製薬株式会社 免疫凝集反応試薬及び免疫分析方法
DE4317965A1 (de) * 1993-05-28 1994-12-01 Siemens Ag Hybrider Leistungsschalter
IT1273743B (it) * 1994-02-09 1997-07-10 Novamont Spa Articoli espansi di materiale plastico biodegradabile e procedimento per la loro preparazione
US5506277A (en) * 1994-06-30 1996-04-09 Kimberly-Clark Corporation Starch foams for absorbent articles

Also Published As

Publication number Publication date
EP0696612B1 (en) 2003-10-08
FI953761A (fi) 1996-02-09
AU2844795A (en) 1996-02-22
EP0696612A2 (en) 1996-02-14
ES2278559T3 (es) 2007-08-16
JP3276541B2 (ja) 2002-04-22
HUT74032A (en) 1996-10-28
DK0696612T3 (da) 2004-02-09
ES2156911T3 (es) 2001-08-01
DK0696611T3 (da) 2001-05-07
PT696612E (pt) 2003-12-31
DE69531886T2 (de) 2004-08-19
AU699169B2 (en) 1998-11-26
GR3035718T3 (en) 2001-07-31
NZ272733A (en) 1997-02-24
EP0696611A3 (en) 1996-10-23
EP1777253A3 (en) 2008-09-10
CA2155594A1 (en) 1996-02-09
NO953094L (no) 1996-02-09
NO310923B1 (no) 2001-09-17
HU214678B (hu) 1998-04-28
CZ202595A3 (en) 1996-02-14
IT1274603B (it) 1997-07-18
JPH0859892A (ja) 1996-03-05
ZA956602B (en) 1996-03-19
PL309923A1 (en) 1996-02-19
FI953761A0 (fi) 1995-08-08
US5736586A (en) 1998-04-07
SK98295A3 (en) 1996-12-04
EP0696611B1 (en) 2001-03-28
CZ289255B6 (cs) 2001-12-12
ATE200095T1 (de) 2001-04-15
IL114851A0 (en) 1995-08-08
EP1777253A2 (en) 2007-04-25
KR960007671A (ko) 1996-03-22
DE69520468D1 (de) 2001-05-03
FI114804B (fi) 2004-12-31
HU9502333D0 (en) 1995-09-28
SK282327B6 (sk) 2002-01-07
ITMI941725A0 (it) 1994-08-08
UA43840C2 (uk) 2002-01-15
CN1113078C (zh) 2003-07-02
CN1123803A (zh) 1996-06-05
KR100364880B1 (ko) 2003-04-11
PT696611E (pt) 2001-07-31
PL183994B1 (pl) 2002-08-30
DE69535338T2 (de) 2007-04-12
ATE251656T1 (de) 2003-10-15
EP1038908A1 (en) 2000-09-27
ITMI941725A1 (it) 1996-02-08
PL184566B1 (pl) 2002-11-29
DE69531886D1 (de) 2003-11-13
DE69535338D1 (de) 2007-01-25
IL114851A (en) 1999-09-22
EP0696611A2 (en) 1996-02-14
NO953094D0 (no) 1995-08-07
EP0696612A3 (en) 1997-07-16
ES2206472T3 (es) 2004-05-16
ATE348124T1 (de) 2007-01-15
DE69520468T2 (de) 2001-08-23
EP1038908B1 (en) 2006-12-13

Similar Documents

Publication Publication Date Title
CA2155594C (en) Biodegradable foamed plastic materials
AU708631B2 (en) Thermoplasticized starch component and process for the preparation thereof
AU679300B2 (en) Expanded articles of biodegradable plastic material and a process for the preparation thereof
EP0670863B1 (en) Biodegradable compositions comprising starch
Carvalho Starch: major sources, properties and applications as thermoplastic materials
Lu et al. Innovative plasticized starch films modified with waterborne polyurethane from renewable resources
CA2313516C (en) Biodegradable mouldings
Willett Starch in polymer compositions
AU690304B2 (en) Starch graft copolymer from prime starch
WO1992018325A1 (en) Biodegradable packaging material
Iannace et al. Extrusion foaming of biodegradable polymers

Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20150810

MKEX Expiry

Effective date: 20150810